Pipe joint



Nov; 1, 1927. 1,647,217 E. FEJES P IPEYJOIN'? Filed sept. 5, 1923 PatentedA Nov. l, 192?.

PATENT OFFICE.

'EUGEN FEJES, OFBUDAPEST, HUNGARY.

rrrn JOINT.

:Application med september 5, 192s, serial No. ee1,111, and m Hungary september ao, 1921.

`This invention has for its object to provide an improved pipe joint for connecting together the common pipes of the cylinders of internal combustion engines, more especially cylinders that are not cast together in one piece, but are made separately ,and then connected together by jointing together parts that extend in common through all the cylinders such as for instance the engine suction pipe. l

In the hitherto usually adopted constructions of the welds, the heating is very'liable to produce distortion and injurious vstresses in the parts welded together.

These drawbacks are prevented accordingtothis invention which consists in the use ofr comparatively thin sheet metal and providing resilient connections between adjacent sheet metal sections of the common part (for instance the engine Suction lpipe), said adjacent sections being then wel e the edge. j f

.These resilient connections allow the connected sections to expand freely or take up any forced permanent alteration of shape vor position'without structural damage either to the sections or the welded joints connecting) them. y j

ne embodiment of the present improvek ments is illustrated by way of example in their application toan internal combustion engine in the accompanying drawinlgl in which Fig. 1 is a diagrammatic vertica longitudinal section taken through. the engine suction pi e of the upper portion of the engine an Fig."2 is :a fragmentary perspective view of two adjacent sections.

Inv the illustrated example, the suction pipe is built up by an appropriate number of the sheet metal sections 1, depending upon signature. y.

the n umber of engine cylinders 1a and the abutting ends of adjacent sections of this suction pipe are outwardly beaded or flanged and brou ht together so as to form flanges 2, 2 meeting at an acute internal angle and 45 extending beyond their meeting point in the form of welding llets 4, 4 which are .welded together on their outer periphery.

The improved pipe structure including the welded joint between the sectionsthereof permits of placing an desired number of engine cylinders side y side and then connecting together a corresponding number of sections to provide inlet and exhaust connections common to the several cylinders.

l The advantage ofthis improved joint consists in the resiliency of the welded joint which is able 'to take injurious strains and stresses, and likewise all alterations in shape that may occur after thewelding so that they cannot reach' and damage" the other parts.

The improved constitution ofthe welded oint allows of placing any desired plurality of engine cylinders side by side and then connecting their common pipes together.

Ina pipe structure, metal pipe sections, integral ends-of the sections meetin two adjacent sheet flanges on the together at an acute internal angle, and we ding llets constituting continuations of said flanges, said welding flletsbeing arranged in direct en gagement and welded together around their outer eripheries whereby a resilientvwelded 76 joint 1s formed between said two adjacent l sections.

In testimony whereof 'I have aixed my EUGEN FEJEsT.

their` connections by welding t5 

